Bow riser with thumbhole



FIG. 1 is a front elevational view of a bow riser with thumbhole showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof of a reduced size from that of FIGS. 1-5 with the bow being shown in broken lines for illustrative purposes only. 

The ornamental design for a bow riser with thumbhole, as shown and described. 